<template>
  <div class="list">
    <el-card>
      <div class="" slot="header"><span>账号列表</span></div>
      <el-table ref="tableRef" :data="tableData" style="width: 100%" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55"></el-table-column>
        <el-table-column prop="account" label="姓名"></el-table-column>
        <el-table-column prop="userGroup" label="用户组"></el-table-column>

        <el-table-column label="日期">
          <template slot-scope="scope">
            {{ scope.row.ctime | formatYMD }}
          </template>
        </el-table-column>
        <el-table-column width="160" label="操作">
          <template slot-scope="scope">
            <el-button style="margin-right: 10px" size="mini" @click="handleEdit(scope.row)">
              编辑
            </el-button>
            <el-popconfirm @confirm="handleDelete(scope.row)" title="这是一段内容确定删除吗？">
              <el-button slot="reference" size="mini" type="danger">
                删除
              </el-button>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
      <div class="page">
        <el-pagination class="mt20" background @size-change="handleSizeChange" @current-change="handleCurrentChange"
          :current-page="currentPage" :page-sizes="[3, 5]" :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper" :total="total"></el-pagination>
      </div>
      <div class="mt20">
        <el-button @click="handleBatchDel" type="danger">批量删除</el-button>
        <el-button @click="cancelChange" type="primary">取消选择</el-button>
      </div>

      <el-dialog title="编辑用户" :visible.sync="dialogFormVisible">
        <el-form class="form" size="small" label-width="80px" :model="formData">
          <el-form-item label="用户名">
            <el-input v-model="formData.account" autocomplete="off"></el-input>
          </el-form-item>
          <el-form-item label="用户组">
            <el-select v-model="formData.userGroup" placeholder="请选择用户组">
              <el-option label="超级管理员" value="超级管理员"></el-option>
              <el-option label="普通用户" value="普通用户"></el-option>
            </el-select>
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button size="small" @click="dialogFormVisible = false">
            取 消
          </el-button>
          <el-button size="small" type="primary" @click="handleConfirm">
            确 定
          </el-button>
        </div>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>

import {
  getUserListReq,
  delUserReq,
  editUserReq,
  batchDelUserReq,
} from '@/api/user'

export default {
  data() {
    return {
      tableData: [],
      ids: [],
      currentPage: 1,
      pageSize: 3,
      total: 0,

      dialogFormVisible: false,
      formData: {
        id: '',
        account: '',
        userGroup: '',
      },
    }
  },

  methods: {
    async getData() {
      let currentPage = this.currentPage
      let pageSize = this.pageSize
      let res = await getUserListReq({
        currentPage,
        pageSize,
      })
      let { data, total } = res.data
      this.total = total
      this.tableData = data
      if (data.length === 0 && this.currentPage !== 1) {
        this.currentPage--
        this.getData()
      }
    },
    handleSelectionChange(val) {
      this.ids = val.map(v => v.id)
    },
    handleBatchDel() {
      this.$confirm('此操作将永久删除选中用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(async () => {
          let res = await batchDelUserReq({ ids: this.ids })
          let { code, msg } = res.data
          if (code === 0) {
            this.getData()
            this.$message.success(msg)
          }
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除',
          })
        })
    },
    cancelChange() {
      if (this.ids.length) {
        this.$refs.tableRef.clearSelection()
        this.$message.info('取消成功')
      } else {
        this.$message.info('没有选中')
      }
    },

    async handleEdit(row) {
      this.dialogFormVisible = true
      this.formData = { ...row }
    },
    async handleConfirm() {
      let res = await editUserReq(this.formData)
      let { code, msg } = res.data
      if (code === 0) {
        this.dialogFormVisible = false
        this.getData()
      }
    },
    async handleDelete(row) {
      let { id } = row
      let res = await delUserReq({ id })
      let { code, msg } = res.data
      if (code === 0) {
        this.getData()
      }
    },
    handleSizeChange(val) {
      this.pageSize = val
      this.getData()
    },
    handleCurrentChange(val) {
      this.currentPage = val
      this.getData()
    },
  },
  created() {
    this.getData()
  },
}
</script>

<style lang="scss" scoped>
.page {
  margin: 20px 0px 20px 0px;
}

.list {
  margin: 20px 0px 0px 20px;
}

.form {
  width: 295px;
}
</style>
